Related topics: satellite

Gravity Probe B confirms two Einstein theories

(PhysOrg.com) -- Stanford and NASA researchers have confirmed two predictions of Albert Einstein's general theory of relativity, concluding one of the space agency's longest-running projects.

Competitor fears Musk's SpaceX could 'monopolise' space

The launching of thousands of satellites into low Earth orbit by tech billionaire Elon Musk's SpaceX threatens the "de-facto monopolisation" of space, the head of competitor Arianespace Stephane Israel has warned.

How long is a day on Mars?

Mars represents something of a conundrum for scientists. In many respects, it is significantly different from Earth. It's cold, it's dry, there is little atmosphere or precipitation to speak of, and nothing grows there. ...

Small troughs growing on Mars may become 'spiders'

Erosion-carved troughs that grow and branch during multiple Martian years may be infant versions of larger features known as Martian "spiders," which are radially patterned channels found only in the south polar region of ...

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